Alberto,
as far as I can see, this is not really a "downloadable" page or file.
http://www.armisoftware.com/portit/p...%2010,1,0,2476
The .php seems to "do" something and then generates or redirects to a file
(portitwintest.htm)? So this can't work.
Perhaps what you are looking for is a POST HTTP command?
Friedrich